JPH0411722B2 - - Google Patents
Info
- Publication number
- JPH0411722B2 JPH0411722B2 JP56503369A JP50336981A JPH0411722B2 JP H0411722 B2 JPH0411722 B2 JP H0411722B2 JP 56503369 A JP56503369 A JP 56503369A JP 50336981 A JP50336981 A JP 50336981A JP H0411722 B2 JPH0411722 B2 JP H0411722B2
- Authority
- JP
- Japan
- Prior art keywords
- damper
- blade
- rotor
- platform
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/193,514 US4347040A (en) | 1980-10-02 | 1980-10-02 | Blade to blade vibration damper |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57501486A JPS57501486A (ko) | 1982-08-19 |
JPH0411722B2 true JPH0411722B2 (ko) | 1992-03-02 |
Family
ID=22713939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56503369A Expired - Lifetime JPH0411722B2 (ko) | 1980-10-02 | 1981-10-02 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4347040A (ko) |
EP (1) | EP0060887B2 (ko) |
JP (1) | JPH0411722B2 (ko) |
DK (1) | DK246882A (ko) |
GB (1) | GB2098672B (ko) |
WO (1) | WO1982001216A1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568247A (en) * | 1984-03-29 | 1986-02-04 | United Technologies Corporation | Balanced blade vibration damper |
US4872810A (en) * | 1988-12-14 | 1989-10-10 | United Technologies Corporation | Turbine rotor retention system |
GB2228541B (en) * | 1989-02-23 | 1993-04-14 | Rolls Royce Plc | Device for damping vibrations in turbomachinery blades |
US5156528A (en) * | 1991-04-19 | 1992-10-20 | General Electric Company | Vibration damping of gas turbine engine buckets |
US5302085A (en) * | 1992-02-03 | 1994-04-12 | General Electric Company | Turbine blade damper |
US5261790A (en) * | 1992-02-03 | 1993-11-16 | General Electric Company | Retention device for turbine blade damper |
US5573375A (en) * | 1994-12-14 | 1996-11-12 | United Technologies Corporation | Turbine engine rotor blade platform sealing and vibration damping device |
US5513955A (en) * | 1994-12-14 | 1996-05-07 | United Technologies Corporation | Turbine engine rotor blade platform seal |
GB9609721D0 (en) * | 1996-05-09 | 1996-07-10 | Rolls Royce Plc | Vibration damping |
US6042336A (en) * | 1998-11-25 | 2000-03-28 | United Technologies Corporation | Offset center of gravity radial damper |
US6607359B2 (en) | 2001-03-02 | 2003-08-19 | Hood Technology Corporation | Apparatus for passive damping of flexural blade vibration in turbo-machinery |
DE102010015211B4 (de) * | 2010-04-16 | 2013-06-20 | Mtu Aero Engines Gmbh | Dämpfungselement zur Dämpfung von Laufschaufelschwingungen, Laufschaufel sowie Rotor |
US11333026B2 (en) | 2020-05-26 | 2022-05-17 | General Electric Company | Vibration-damping system for turbomachine blade(s) on spacer adjacent blade stage |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE153004C1 (ko) * | ||||
FR989556A (fr) * | 1949-06-25 | 1951-09-11 | Cem Comp Electro Mec | Perfectionnement aux aubes de turbo-machines |
US2942843A (en) * | 1956-06-15 | 1960-06-28 | Westinghouse Electric Corp | Blade vibration damping structure |
US2999668A (en) * | 1958-08-28 | 1961-09-12 | Curtiss Wright Corp | Self-balanced rotor blade |
FR1374917A (fr) * | 1963-11-21 | 1964-10-09 | Ass Elect Ind | Perfectionnements aux déflecteurs d'étanchéité des aubes mobiles de turbines et de compresseurs à écoulement axial |
US3181835A (en) * | 1964-01-07 | 1965-05-04 | Carroll C Davis | Blade vibration damping device |
US3723023A (en) * | 1971-05-05 | 1973-03-27 | Us Air Force | Independent self adjusting vibration damper |
US3748060A (en) * | 1971-09-14 | 1973-07-24 | Westinghouse Electric Corp | Sideplate for turbine blade |
US3888601A (en) * | 1974-05-23 | 1975-06-10 | Gen Electric | Turbomachine with balancing means |
US3881844A (en) * | 1974-05-28 | 1975-05-06 | Gen Electric | Blade platform vibration dampers |
US4101245A (en) * | 1976-12-27 | 1978-07-18 | United Technologies Corporation | Interblade damper and seal for turbomachinery rotor |
US4182598A (en) * | 1977-08-29 | 1980-01-08 | United Technologies Corporation | Turbine blade damper |
GB2043797A (en) * | 1979-03-10 | 1980-10-08 | Rolls Royce | Bladed Rotor for Gas Turbine Engine |
-
1980
- 1980-10-02 US US06/193,514 patent/US4347040A/en not_active Ceased
-
1981
- 1981-10-02 WO PCT/US1981/001339 patent/WO1982001216A1/en active IP Right Grant
- 1981-10-02 JP JP56503369A patent/JPH0411722B2/ja not_active Expired - Lifetime
- 1981-10-02 GB GB8215460A patent/GB2098672B/en not_active Expired
- 1981-10-02 EP EP81902881A patent/EP0060887B2/en not_active Expired
-
1982
- 1982-06-02 DK DK246882A patent/DK246882A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS57501486A (ko) | 1982-08-19 |
WO1982001216A1 (en) | 1982-04-15 |
EP0060887A4 (en) | 1983-02-09 |
US4347040A (en) | 1982-08-31 |
GB2098672A (en) | 1982-11-24 |
EP0060887A1 (en) | 1982-09-29 |
EP0060887B1 (en) | 1985-08-14 |
DK246882A (da) | 1982-06-02 |
EP0060887B2 (en) | 1989-08-09 |
GB2098672B (en) | 1984-08-15 |
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